Hg/HgO Reference Electrode – Glass Body
This Hg/HgO/OH- reference electrode is ideal for use in alkaline or fluoride media. The electrode is supplied with electrolyte filling. The side plug arrangement makes it easy to replace the filling solution
This Hg/HgO/OH- reference electrode is ideal for use in alkaline or fluoride media. The electrode is supplied with electrolyte filling. The side plug arrangement makes it easy to replace the filling solution
Technical Specification
| Reference system | |
| Purpose | For alkaline media (aqueous) |
| Chemical reaction | HgO(s) + 2e− +H2O ⇌ Hg(l) +2OH− |
| Eo | +140mV (at 25oC vs. NHE) |
| Typical variance | ±5mV |
| Refilling electrolyte | 1M NaOH solution |
| Inner Diaphragm | Porous Ceramic frit |
| Outer Diaphragm | Porous Ceramic frit |
| Electrode Plug-in-head | Copper Rod (2mm dia) |
| Temperature range (oC) | 5-100 (Approx.) |
| Shaft material | Borosilicate Glass |
| Shaft diameter (Top)* | 12mm |
| Shaft diameter (Bottom)* | 6mm |
| Length* | 150mm |
| Immersion length* | >12mm; <60mm |
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